Toro Reelmaster 5010-H Diagnostic Manual page 178

Pass If reprogramming the machine was successful, go to
and follow the steps listed.
Fail If both attempts to reprogram the machine are unsuccessful, go to Step 3.
Step 3: Test the CAN bus wiring in main harness connector P37.
Use a multimeter to test the resistance between the following pairs of locations:
Location Harness
1 Main
2 Main
1 Main
2
1 Main
2
Pass The CAN bus wiring tests passed. Go to Step 4.
Fail One or more of the CAN bus wiring tests failed. Repair or replace the worn or damaged parts. Go to
Returning the Machine to Service (page 22)
Step 4: Remove the motor/generator assembly from the machine.
Remove the motor/generator assembly from the machine. Refer to Chapter 5 of the 5010-H Service Manual.
Step 5: Remove the controller from the motor/generator.
Remove the controller from the motor/generator. Refer to Chapter 5 of the 5010-H Service Manual.
Step 6: Inspect the wiring between the motor/generator and the
controller.
The motor/generator and the controller each have cabling that connects to the other component. Inspect the
wiring between the controller and the motor/generator.
Pin
Connector
P37 5
P37 6
P37 5
Chassis ground
P37 6
Chassis ground
Returning the Machine to Service (page 22)
Wire Expected
Color Reading
Yellow
54 to 66
ohms
Green
Yellow
Open
(infinite)
Green
Open
(infinite)
and follow the steps listed.
178
Connector Graphic